• 1 lb beef (flank or top sirloin steak), thinly sliced
• ½ large red onion, chopped
• bok choy stalks, leaves removed, leaves and stalks cut diagonally
• broccoli
• green peppers
• 1 clove garlic, crushed and chopped
• 1 piece ginger, sliced
• 2 green onions, sliced diagonally

• Marinade
• 2 T light soy sauce
• 1 T Chinese rice wine or dry sherry
• ¼ t sesame oil
• 1 T cornstarch

• Sauce
• 3 T dark soy sauce
• 1 T sugar
• 1 T sherry
• 1 T cornstarch

Cut beef across the grain. Add the marinade ingredients in the order given and marinate beef for 15 minutes.

While beef is marinating, prepare the vegetables and sauce.

Heat wok and add 2 tablespoons oil. When the oil is hot, add the ginger and garlic. Stir-fry briefly. Add the beef and stir-fry until it is half cooked.

And add the onions. Stir-fry until onions are tender, then add the bok choy stalks. Stir-fry a bit longer, The rest of the veggies, except the scallions.

Push the vegetables up to the side and add the sauce in the middle, turning up the heat. Mix the sauce in with vegetables. Return the beef to the wok. Mix well and stir in the green onions if using.

Preparation time: 15 minutes
Cooking time: 15 minutes

From About.com, with my modifications.